Water Quality Control Division Engineering Section On-site Wastewater Treatment Systems

Transcription

1 Water Quality Control Division Engineering Section On-site Wastewater Treatment Systems 4300 Cherry Creek Drive South, B2 Denver, Colorado Local Regulation Review Submittal Form A. General Information Type of Submittal Local Public Health Agency Name Submittal Title County/Counties Covered 2017 Regulation Update x Modification B:Local Public Health Agency (LPHA) Contact Information Submittal Date: Portions Modified*: February 1, 2018 MONTEZUMA COUNTY PUBLIC HEALTH DEPARTMENT LOCAL REGULATION 43 REVISION FOR MONTEZUMA COUNTY MONTEZUMA Main Contact Name MELISSA MATHEWS Title ENVIRONMENTAL HEALTH SPECIALIST Address 106 W. NORTH STREET CORTEZ, CO mmathews@co.montezuma.co.us Phone (970) Fax (970) Alternate Contact Name Title Address BOBBI LOCK HEALTH DIRECTOR SAME AS ABOVE block@co.montezuma.co.us Phone (970) Fax same C. Report Submittal Requirements One hard copy of any submitted material and an electronic copy (PDF). Send PDF to CDPHE.WQEngReview@state.co.us Local Regulation Format (Select appropriate description.) * Use this area if additional space is needed: CDPHE template used for Regulation Regulation format consistent with Regulation 43 sections. Regulation follows a different section format. Note: If format is different, the cross-walk must be completed. (See pages 5-6.) Revised May, 2017 Local Regulation Review Submittal Form Page 1 of 6

2 MONTEZUMA COUNTY D. Decision Points Summary Local On-site Wastewater Treatment System Regulations CROSSWALK ITEM: Options Below are the Same as in 2013 Regulation 43 Licensing Systems Contractors and Systems Cleaners ALTERNATIVES Select Check Box for Decision Chosen. (Only one selection per item. Decisions must also be identified either within the local regulation or Appendix A to the regulation) Neither (Do not license contractors or cleaners) 43.4.K Systems Contractors only are licensed Reg # K.1 Local Reg Systems Cleaners only are licensed 43.4.K.3 Both contractors and cleaners are licensed 43.4.K.1 and 3 Variances Variances Allowed (Must have a variance procedure prescribed within the local regulation.) 43.4.N. Variances not allowed 43.4.N Occupancy Residential Bedrooms 1 through 3: 2 people per bedroom All additional Bedrooms: 1 person per bedroom 43.6.A.2e All bedrooms: 2 persons per bedroom 43.6.A.2.f How the number of bedrooms in a home will be defined for flow requirements Bedrooms: flow estimates will be determined from the number of bedrooms originally finished If unfinished area is present in house, OWTS must also be sized for 1 or 2 more bedrooms based on an assumption that 150 square feet of unfinished space can be converted into a bedroom, if the space can meet applicable code requirements for a bedroom A.2.h Effluent Screen May be used (owner s option) 43.9.J.1 Required in all new septic tanks 43.9.J.1 Length of distribution laterals (e.g., trenches or beds) Inspection ports at initial (front) end of lateral or chamber 100 feet maximum length for any OWTS system E.2.d 100 feet maximum for gravity fed from one end, and up to 150 feet if pressure dosed or effluent applied at center of lateral or chamber Not required Required E.2.b & c F.6.d Vault Privies new Allow new vault privies D.1.a Prohibit new vault privies D.1.a Vault Privies - existing Allow continued use of existing vault privies D.1.b Require abandonment of existing vault privies D.1.b Revised May, 2017 Local Regulation Review Submittal Form Page 2 of 6

3 ITEM MONTEZUMA COUNTY ALTERNATIVES Select Check Box for Decision Chosen. (Only one selection per item.) Reg #43 Pit Privies - new Allow new pit privies D.2.c Local Reg Prohibit new pit privies D.2.a Pit Privies - existing Allow continued use of existing pit privies D.2.c Require abandonment of existing pit privies D.2.b Slit trenches Allow slit trenches F Prohibit slit trenches F Optional Programs/Permits Reductions in soil treatment area (STA) size or separation distances for higher level treatment systems with mandatory maintenance and oversight Transfer of Title inspections Allow reductions for higher level treatment. (To allow reductions, local regulation must require mandatory inspections and maintenance, and local public health agency program of inspection and maintenance oversight must be in place.) Reductions in area and separation distances not allowed for higher level treatment systems. Required (If transfer of title inspections are required, the criteria that inadequate systems must achieve following repair or replacement must be specified in local regulation.) Not required D D L L.1 Permits for the Continued Use of an OWTS; Define these items on Pg. 4 that are more stringent than Regulation 43. Used in local regulation (Specify purpose within local regulation.) Not used in local regulation 43.4.M.1 For CDPHE Tracking Purposes Require that all Soil Evaluations be submitted and stamped by a licensed professional engineer All soil evaluations must be submitted by a licensed professional engineer A licensed professional engineer or Competent Technician may submit soil evaluations N/A N/A Require that all OWTS designs be submitted and stamped by a licensed professional engineer All OWTS plans must be stamped by a licensed professional engineer We do not require an engineer s stamp for sites where an engineer s stamp is not required by Regulation 43; Reference section B N/A 1.7(A)(1) N/A Revised May, 2017 Local Regulation Review Submittal Form Page 3 of 6

4 MONTEZUMA COUNTY Summary of Items More Stringent than Regulation 43 (To Be Completed for All Local Regulations Where More Stringent.) Regulation 43 Requirement (e.g., section, topic) Local Requirement (attach additional information as needed) All systems in Montezuma county must be engineered by a Colorado Registered Engineer. in Local Regulation 1.7(A)(1) Please supplement the Summary of Items More Stringent than Regulation 43 on additional sheets as necessary. Revised May, 2017 Local Regulation Review Submittal Form Page 4 of 6

5 Local Regulation Cross-Walk to Regulation 43 (For Local Regulations That Do NOT Follow Regulation 43 Section Outline.) Regulation 43 Requirement 43.1 Authority; WQCD 43.2 Scope and Purpose 43.3 Definitions; Abbreviations and Acronyms 43.4 Applicability 43.4.A Regulations Adopted by Local Boards of Health 43.4.B Permit Application Requirements and Procedures 43.4.C Determination 43.4.D Access to Site 43.4.E Inspection Stages 43.4.F Final approval of the permit by the local public health agency 43.4.G WQCD (Division Authority to Administer and Enforce) 43.4.H Primary Enforcement Responsibility 43.4.I Product Development Permit 43.4.J Prohibition of OWTS in Unsuitable Areas 43.4.K Licensing of Systems Contractors and Systems Cleaners 43.4.L Transfer of Title Inspections 43.4.M Permits for the Continued Use of an OWTS 43.4.N Variance Procedure 43.4.O General Prohibitions 43.4.P Cease and Desist Orders 43.4.Q Penalties 43.5 Site and Soil Evaluation 43.5.A Site and Soil Evaluation Requirements 43.5.B Preliminary Investigation 43.5.C Reconnaissance Visit 43.5.D Detailed Soil Investigation 43.5.E Marking of Soil Profile Test Pits Excavations and Percolation Holes 43.5.F Report and Site Plan 43.5.G Design Document 43.5.H Site Protection 43.5.I Qualifications for a Competent Technician 43.6 Wastewater Flow and Strength 43.6.A Wastewater Flows 43.6.B Wastewater Strength 43.7 Minimum Distances Between Components of an On-site Wastewater Treatment System and Physical Features 43.7.A Horizontal Distances, general 43.7.B Reductions in Separation Distances [If higher level treatment and provisions for operation and maintenance in accordance with D.] 43.7.C Dry Gulches, Cut Banks and Fill Areas 43.7.D Minimum or Increased Distance Requirements 43.7.E Separation Distances to Specific Features 43.8 Design Criteria General 43.8.A Design Criteria; Separated Flows 43.8.B Design Criteria; Treatment Levels 43.8.C Design Criteria; Reliability 43.8.D Accessibility for Inspection, Maintenance, and Servicing 43.8.E Plumbing Codes 43.8.F Electrical Equipment 43.8.G Indicators of Failure or Malfunctioning for Systems Utilizing Mechanical Apparatus 43.8.H Sampling Access 43.8.I Component Operating Instructions 43.8.J Surface Activity 43.8.K Floodplains 43.8.L Business, Commercial, Industrial, Institutional or Multi-Family Dwelling Wastewater Systems Revised May, 2017 Local Regulation Review Submittal Form Page 5 of 6 in Local Regulation

6 Local Regulation Cross-Walk to Regulation 43 (For Local Regulations That Do NOT Follow Regulation 43 Section Outline.) Regulation 43 in Local Requirement Regulation 43.9 Design Criteria Components 43.9.A Tanks and Vaults 43.9.B Septic Tanks 43.9.C Abandonment of Tank 43.9.D Pipe Standards and Bedding Requirements 43.9.E Cleanouts 43.9.F Distribution Box 43.9.G Drop Box 43.9.H Stepdown/Relief Line 43.9.I Wastewater Pumping and Dosing Siphon Systems 43.9.J Effluent Screens 43.9.K Grease Interceptor Tanks Design Criteria Soil Treatment Area A Size and Design B Conditions Requiring Professional Engineer C Calculation of Infiltrative Surface of Soil Treatment Area D Allowable Soil Treatment Area Reductions and Increases E Design of Distribution Systems F Soil Treatment Area Requirements G Storage/Distribution Media H Soil Replacement I Repairs Design Criteria Higher Level Treatment Systems A General B Treatment Levels [Adequate maintenance required and documented in accordance with D.] C Sand Filters D Mound Systems E Rock Plant Filter (Constructed Wetland) Treatment Before a Soil Treatment Area Design Criteria Other Facilities A Evapotranspiration and Evapotranspiration/Absorption Systems B Seepage Pits C Vaults Other Than Vault Privies D Privies 43.12E Incinerating, Composting, and Chemical Toilets F Slit Trench Latrine G Treatment Systems Other Than Those Discharging Through a Soil Treatment Area or Sand Filter System WQCD (Technology Review and Acceptance) A Alternative Technologies B Division Review C Product Acceptance Requirements; General D Proprietary Treatment Product Acceptance Requirements 43.13E Proprietary Distribution Product Acceptance Requirements F Septic Tank Acceptance Requirements G Other Products; Acceptance Operation and Maintenance; WQCD role A Responsibility B Service Label C Local Regulations for maintenance, practices, submittals D Permitting and Oversight of Maintenance for Soil Treatment Area Reductions and Vertical and Horizontal Separation Distance Reductions Based on Use of Higher Level Treatment E Monitoring and Sampling Severability Materials Incorporated by Reference Please supplement the Cross-Walk on additional sheets as necessary (e.g., if smaller portions of sections are separated). Revised May, 2017 Local Regulation Review Submittal Form Page 6 of 6